Populus balsamifera (Balsam Poplar)


Botanical Information

FamilySalicaceae
GenusPopulus
Speciesbalsamifera
CategoryWoody
TypeTree (deciduous)
OriginNorthern United States, Canada and Russia.

Details

USDA Hardiness Zone2
USDA Hardiness Ref.
Canadian Hardiness Zone0
Canada Hardiness Ref.
RHS Hardiness ZoneH7
RHS Hardiness Ref.
Temperature (°C)-46 - (-40)
Temperature (°F)-50 - (-40)
Height25 m
Spread15 m
GrowthFast
Flowering PeriodApril, May

Description and Growing Information

LandscapeCan be used in large gardens, but it is important to plant at least 40 m from buildings, drains, walls, and roads, as they are known to cause extensive damage. Emits a pleasant balsam scent, especially after the rain.
PropagationRoots easily from hardwood cuttings, or may be grown from seed that is surface sown within three days of ripening (however, hybridization may occur).
CultivationGrow in deep, rich, well-drained neutral soil. Keep 8 m or more from other plants, as they are intolerant of root or branch competition.
PestsMay be affected by bacterial canker, caused by Aplanobacter populi, as well as multiple fungi and wood boring insects.
Flower/Leaf Bud DescriptionBuds to 2.5 cm, thickly covered in a fragrant, viscid resin.
Leaf DescriptionShiny spade-shaped leaves measuring 6 - 12 cm long.
Flower DescriptionMale catkins measure 5 - 7.5 cm, while female catkins are larger at 12 - 14 cm.
Fruit DescriptionFruit is 2-valved.

Photographs